Salinity Indicator Plants Home | General Diagrams
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Acute: Sharply pointed.
Acuminate: gradually tapering to a point
Alkaline: Strongly basic substance - pH greater than 7.
Annual: Of one season's duration, from seed to maturity and death.
Anther: Pollen producing part of stamen.
Ascending: Rising up, growing indirectly upwards rather than straight up.
Association: Plants found growing together; vegetation communities.
Axil: Upper angle between a leaf or flower stalk and the stem.
Barb: A short hard hair which is often hooked and usually bent backwards.
Basal: At the base of; growing from the bottom (of the plant).
Biennial: A plant with a life cycle of two seasons' duration.
Brackish water: Salty water which is not as saline as sea water.
Bracts: Leaf-like structures or scales that lie below the flower or flowerhead.
Branchlets: Small branches leading from main branches.
Calyx:Whorl or sepals usually leaf like or joined together (may sometimes be like petals).
Carpel: Part of the ovary in a flower.
Colonizers: Plants that grow quickly and often take over bare ground.
Corolla: All the petals of a flower together.
Cuneate: Wedge-shaped with narrow part attached to leaf stalk.
Cylindrical: Cylinder shaped, tube shaped.
Dioecious: A species having male and female flowers on different plants.
Distichous: Leaves or flowers in two rows either side of the stem.
Elliptic: (Elliptical) Rounded shape, broadest in the middle and narrow at both ends.
Evaporation: To turn from liquid or solid into gas/vapour.
Filament: Supports anther.
Floret: Individual flower in a flowerhead, flower part in grasses.
Flower-head: Flowering part of a plant made up of lots of flowers or florets.
Foliage: Leaves and green parts of plant.
Fruiting body: Fruit, seed-bearing object, e.g. nut, pod, cone.
Glumes: Outer bracts subtending the florets of a grass or sedge
Halophyte: A plant tolerant of various mineral salts in the soil solution, usually as sodium chloride (salt).
Halophytic Communities: Areas of salt tolerant plants with few or no non-tolerant species.
Husk: Dry outer covering of seeds and florets.
Impenetrable: Cannot get through.
Incised: Slashed irregularly; jagged.
Incurled: Curled inwards. Inrolled: Rolled inwards.
Lanceolate: Lance-shaped, much longer than wide, tapering to the tip.
Leach: Wash away.
Lemma: the lower and often larger of two inner bracts enclosing the carpel (female organ) and stamens (male organs) of a grass flower
Lignum: A type of plant which has tangled wiry stems and branches with few leaves.
Linear: Straight and narrow.
Loam: A type of soil made of a mixture of sand, silt and clay.
Lobed: Round divided edge.
Membranes: A thin translucent and delicate tissue.
Monoecious: With separate male and female flowers on the same plant.
Mucro: a sharp, short point
Mucronate: terminating in a sharp, short point
Node: The joint where a leaf or bract arises from the stem.
Obovate: Shaped like a hen's egg with the narrower end attached to the leaf stalk.
Obovoid: A solid form of leaf or structure with an obovate outline.
Obtuse: blunt or rounded.
Ova: The gametes or eggs produced by the female flower.
Ovary: The egg seed producing part of the female flower.
Ovate: Shaped like a hen's egg with the wider end attached to the leaf stalk.
Ovoid: A solid oval or slightly ovate solid shape.
Palatable: Readily eaten by livestock.
Palea: the upper and often smaller of two inner bracts enclosing the carpel (female organ) and stamens (male organs) of a grass flower
Panicle: A much branched flowerhead.
Perennial: Of three or more seasons duration.
Pith: Central column of spongy tissue in stems or spongy tissue is some fruit.
Rhizome: Underground stem or root stock. Has nodes, buds and scale-like leaves (which roots do not have).
Rosetted: A cluster of leaves growing from a central point often lying against the ground.
Salt-pan: A natural undrained shallow depression in which water collects and then evaporates leaving a salt deposit.
Scald: A salty area of land with little or no vegetation caused by a rise in saline water table.
Sepals: Green leaf-like structures around the outside of a flower.
Sessile: Not stalked, sitting.
Sheath: Tubular structure formed by the base of a leaf encircling the stem.
Shrub: Low growing woody plant, producing shoots from the base.
Spathulate: Spoon shaped.
Spicule: A small pointed needle-like part on the stem of some plants.
Spike: Unbranched flowerhead with flowers/florets attached to stem.
Spikelet: Part of a flowerhead, a secondary spike.
Stamen: Male part of a flower. Produces pollen. Made of an anther and filament.
Stigma: The receptive organ of the female flower to which pollen adheres at fertilization.
Stipule: Membranous or leafy out-growths, which occur in pairs at the base of a stalk (and some leaves).
Stolon: Tiller; runner; shoot that bends down to the ground and takes root, or a horizontal stem (on or below the ground) that gives rise to a new plant at its tip.
Striated: With fine longitudinal lines, channels or ridges.
Style: A part of the female flower which joins the stigma to the ovary.
Subulate: Awl-shaped, tapering from base to tip.
Succulent: Fleshy, juicy, thickened.
Sward: An area or expanse of short grass.
Thicket: A number of shrubs, trees, and so on, growing very close together.
Tillers: In grasses shoots growing out sidewards along the ground; a lateral shoot arising at ground level; stolons.
Toothed: Jagged edge, tooth-like.
Tussock: Clump; turf; hillock.
Whorl: A ring of leaves or other structures arising in a circle at the same level.
Wing: Thin dry or membranous extension or appendage.